Conference in Cloud and online meeting technology

[Timm Murray]

I gave OBS a try on Windows for a Zoom presentation.  Since they got a
bunch of extra scrutiny over security recently, they started denying taking
video sources from unsigned drivers.  That includes the OBS plugin that
presents itself as a webcam to the rest of the system.

That was about a month ago, so not sure if it's been worked out.

On Wed, May 27, 2020 at 7:04 PM B. Estrade via yapc <yapc at pm.org> wrote:

>
>
> On 5/27/20 6:34 PM, Steven Lembark via yapc wrote:
> >
> >> On #yapc, Todd has already mentioned that if you're presenting over
> >> Zoom and you're sharing slides from your laptop screen, the refresh
> >> rate of those slides is much slower than what you would normally
> >> desire.  Hence, you are advised to have fewer transitions among (or
> >> within) slides than you would if you were plugging your laptop into a
> >> conference-quality data projector.
> >>
> >> Can other people confirm that that is good advice?  (I suspect this
> >> is not limited to Zoom.)
> >
> > I haven't seen that at all presenting here at the LUG. Your computer
> > seems like a nice platform for testing throughput (e.g., not on fiber,
> > not the most modern).
> >
> >> Also, slide layout and typography:  What have people found works best
> >> over Zoom?  My impression so far is that I can get away with my
> >> normal fonts in my slides -- but that if I go share my terminal, the
> >> font, font size and background color need to be chosen more carefully
> >> than usual.
> >
> > So far my usual format (black line across the top, sparse black-on-
> > grey below) seems to look decent.
> >
> >> What have people learned with respect to sharing your screen, both in
> >> slides and in terminal?
> >
> > The main issue is that people see you (sort of) or the slides but not
> > both. A big part of my keeping people awake is moving around,
> > interacting with people in the audience. With Zoom it's my voice
> > droning along with the slides. The best way I've found to keep things
> > moving is progressive slides, with the content updating 3-5 times
> > per slide. If refresh rates are that much of an issue then that may
> > prove to be a bad idea...
>
> Recently I've seen people doing nice things using Open Broadcast
> Platform (OBS). Apologies if this has been mentioned. For Zoom it seems
> you need to install some sort of virtual camera plugin for Zoom to
> target, but OBS is really meant to live stream (1984Tube, twitch, etc).
>
> That said I've not been able to get it to work myself on Mac (it might
> have something to do with graphics acceleration, not sure). The examples
> I've seen have been from Ubuntu and when it works, it's very nice and
> create quite an interactive and professional looking environment. This
> includes streaming videos playing on the host, etc. YMMV.
>
> Also for Zoom, like most I've been on some pretty large calls these daze
> and the general advice is that everyone mutes their mic and turns off
> their camera to be thrifty with the explosion of bandwidth.
>
> Brett
>
> >
>
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